I have been researching headphones, and it has become clear that I simply do not have a foundation strong enough to know what I'm doing, so I will turn to you guys. I am looking for the highest quality headphone to use at my place of work, which pretty well eliminates an open back, from what I can tell. I do not necessarily need noise cancelling. I lack the vocabulary to explain most of what I am looking for, or even how to ask for what I want, but music means a lot to me,...